Mealy Pudding with Yorkshires

Something of a heritage Sunday lunch what with me being a Yorkshireman of Grampian descent. This was a version of the mealy pudding that I remember eating on my cousin's croft in the North East of Scotland when I was a kid (except without the beef fat and intestine).

Potatoes (home grown)
Chard (home grown)
Eggs (UK)
Turnip (home grown)
Oats (Scotland)
Lentils ('product of more than one country')
Onions (home grown)
Flour ('product of the EU')
Gravy (Bisto)